Lady Mabel Mysteries 1: Riddle immerses players in a thrilling narrative where they join Lady Mabel, a writer turned detective, on a cruise ship murder investigation. The game combines hidden object gameplay with intricate puzzles, allowing players to uncover motives, gather clues, and piece together the mystery surrounding the murder of Mr. Charles Harper. Set against exotic backdrops, each chapter introduces new riddles and challenges that test players' logic and observation skills.

As players guide Lady Mabel through various locations, they will collect hints and items that reveal the killer's identity, all while navigating a web of secrets and conspiracies. The game features a bonus chapter that expands on the storyline, offering unique achievements and collectibles. With its replayable hidden object scenes, mini-games, and rich narrative, Lady Mabel Mysteries: Death on Board is a captivating experience for fans of detective stories and puzzle games.